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Biotechnology and its Applications Class 12 MCQs Questions with Answers
Multiple Choice Type Questions
Question 1.
What was the world’s first ever mammal to be successfully cloned from an adult cell?
(a) Sheep
(b) Monkey
(c) Cow
(d) Calf
Answer
Answer: (a) Sheep
Question 2.
The two vitamins manufactured biotechnologically are
(a) Vitamin B12 and Vitamin B6
(b) Vitamin B12 and Vitamin B2
(c) Vitamin B6 and Vitamin B2
(d) Vitamin B12 and Vitamin B9
Answer
Answer: (b) Vitamin B12 and Vitamin B2
Question 3.
Kohler and Milstein developed biotechnology for production of
(a) Modern vaccines
(b) Immobilised enzymes
(c) Monoclonal antibodies
(d) Myelomas
Answer
Answer: (c) Monoclonal antibodies
Question 4.
The discovery that led to the development of first antibiotic was made by
(a) Jenner
(b) Pasteur
(c) Fleming
(d) Waksman
Answer
Answer: (c) Fleming
Question 5.
Genetically engineered bacteria have been used in commercial production of
(a) Thyroxine
(b) Testosterone
(c) Human insulin
(d) Melatonium
Answer
Answer: (c) Human insulin
Question 6.
Hepatitis B vaccine is
(a) First generation vaccine
(b) Second generation vaccine
(c) Third generation vaccine
(d) Interferon
Answer
Answer: (b) Second generation vaccine
Question 7.
Biological control of agricultural pests, unlike chemical control is
(a) toxic
(b) self perpetuation
(c) polluting
(d) very expensive
Answer
Answer: (b) self perpetuation
Question 8.
Transgenic crops developed to tolerate herbicides are
(a) Tomato and rice
(b) Rice and wheat
(c) Maize and sugarcane
(d) Tomato and Tobacco
Answer
Answer: (d) Tomato and Tobacco
Question 9.
Confusion technique is used in
(a) Reducing harmful insects
(b) Eliminating weeds
(c) Increasing population of predators
(d) Developing herbicides
Answer
Answer: (a) Reducing harmful insects
Question 10.
The first bioherbicide was obtained from
(a) Peninciilium
(b) Phytophthora palmivora
(c) Phythophthora infestons
(d) Bacillus thuringiensis
Answer
Answer: (b) Phytophthora palmivora
Question 11.
Humulin is the term used for
(a) A powerful antibiotic
(b) A new digestive enzyme
(c) New Research integrated to human welfare
(d) Human insulin
Answer
Answer: (d) Human insulin
Question 12.
Number of known enzymes is
(a) 1200
(b) 2200
(c) About 5000
(d) Around 500
Answer
Answer: (b) 2200
Question 13.
Antigens are present
(a) Inside nucleus
(b) Inside cytoplasm
(c) On cell surface
(d) Inside lysosomes
Answer
Answer: (c) On cell surface
Question 14.
Number of antibiotics isolated till now is
(a) Around 700
(b) Over 7000
(c) About 1700
(d) Around 70
Answer
Answer: (b) Over 7000
Question 15.
The first transgenic crop was
(a) Pea
(b) Flax
(c) Tobacco
(d) Cotton
Answer
Answer: (c) Tobacco
Question 16.
On what Indian bioresource did Vandana Shiva’s efforts get the patent cancelled?
(a) Healing principle of turmeric
(b) Anti-diabetes property of Karela
(c) Insecticides from Neem
(d) Laxative property of animals
Answer
Answer: (c) Insecticides from Neem
Fill in the Blanks
Question 1.
……………….. is a polypeptide with 51 amino acids arranged in two chains.
Answer
Answer: Insulin
Question 2.
Genetically produced human insulin is named ………………..
Answer
Answer: humulin
Question 3.
Substances with core structure made up of one 5 carbon and three 6-carbon-carbon rings are ………………..
Answer
Answer: steroids
Question 4.
Biopiracy is conducted by countries of ………………..
Answer
Answer: north
Question 5.
Government’s efforts to curb biopiracy are ………………..
Answer
Answer: nadequate
Question 6.
A ……………….. is a piece of single stranded DNA which is tagged with a radio active molecule.
Answer
Answer: probe
Question 7.
U.S ……………….. does not recognize technologies and methods used in other countries as ‘prior art’.
Answer
Answer: patent law
Question 8.
……………….. grants farmers the right to save, use, sow and sell his farm products.
Answer
Answer: Farmer’s Right Act
Question 9.
GMO stands for ………………..
Answer
Answer: genetically modified organism
Question 10.
Bacillus thuringienses is produced a ……………….. which kills insects.
Answer
Answer: toxin
Write True or False
Question 1.
B. thuringienses bacterium which produces toxins are harmful for the bacteria.
Answer
Answer: False
Question 2.
In Bt cotton the gene responsible to make insect resistance is Cry.
Answer
Answer: True
Question 3.
Insulin for curing diabetes should only come from animals.
Answer
Answer: False
Question 4.
Insulin has three peptide chain in prohorme stage.
Answer
Answer: True
Question 5.
ADA deficiency can .lead to severe combined immunodeficiency.
Answer
Answer: True
Question 6.
Polymerase chain reaction helps to find criminals by detecting semen, tissue ceils etc.
Answer
Answer: True
Question 7.
Biopatents cannot be given for genetically modified microbes.
Answer
Answer: False
Question 8.
Biopiracy is the legal use of bioresources.
Answer
Answer: False
Question 9.
India holds the patent for neem.
Answer
Answer: True
Question 10.
Farmers are not entitled to sell branded seeds.
Answer
Answer: True
One Word Questions
Question 1.
Name the nematode affecting tobacco plant roots.
Answer
Answer: Meloidogyne incognita.
Question 2.
Write the name of toxic protein secreted by Bacillus thuringiensis.
Answer
Answer: Cry protein
Question 3.
Name the company which started selling human insulin in 1983.
Answer
Answer: Eli Lilly.
Question 4.
In insulin molecule which bond joins chain A and chain B together?
Answer
Answer: Disulphide bond.
Question 5.
Which method of genetic engineering can correct a defective gene during prenatal or early childhood?
Answer
Answer: Gene therapy.
Question 6.
Name the seeds produced by genetic engineering that develop into fertile plants which produce non germinable seeds.
Answer
Answer: Terminator seeds.
Question 7.
Name the world’s first genetically modified non-human primate.
Answer
Answer: A monkey named ANDI.
Question 8.
Who discovered insulin and from where?
Answer
Answer: Sir Edward Sharpy-Shafer (1916) from islets of Langerhans.
Question 9.
The protective inoculation of dead or attenuated pathogen or its antigens is termed as :
Answer
Answer: Vaccination.
Question 10.
Who helped to get patent for insecticidal properties of neem?
Answer
Answer: Vandana Shiva.
Match the Following
| Column I | Column II |
| 1. Polymerase chain reaction | A. Steroid |
| 2. Eli Lilly | B. Biological control |
| 3. Insulin | C. Humulin |
| 4. Cholesterol | D. Kary Mullis |
| 5. IPM | E. Islets of Langerhens |
Answer
Answer:
| Column I | Column II |
| 1. Polymerase chain reaction | D. Kary Mullis |
| 2. Eli Lilly | C. Humulin |
| 3. Insulin | E. Islets of Langerhens |
| 4. Cholesterol | A. Steroid |
| 5. IPM | B. Biological control |
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